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Radiant|Natural|GIA

1.50ct E SI2 Radiant Natural Diamond

EX • E/SI2 • GIA 1525404732

Certificate GIA 1525404732

Diamond specifications and retailer prices

From €5,220 EUR
$5,832 USD
As of October 29, 2026
Save €5,727 EUR (52%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €10,947 EUR at NZ Jewellers · As of October 27, 2026
View at NZ Jewellers

About this 1.5ct natural radiant diamond

This 1.5ct natural radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 1525404732. Listed at 11 retailers as of October 27, 2026, with prices from €5,220 to €10,947, a €5,727 spread on the same certified stone. NZ Jewellers lists it at €10,947. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.50
Carat
E
Colour
SI2
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.41°
Pavilion angle30.35°
OriginNatural
Grading LabGIA
CertificateGIA 1525404732
Dimensions7.00 × 5.58 × 3.94 mm
L/W Ratio1.25
Girdle conditionVery Thick
Key to symbols
Crystal, Cloud, Feather, Cavity, Needle
Top View
7.00 mm5.58 mm1.50 ctE / SI2
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1525404732
Side View
Table 67.0%Crown 48.41°Girdle: THK-VTKPavilion 30.35°Culet: NDepth 70.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: €10,947 EUR|Low: €4,746 EUR|High: €10,947 EUR|Avg: €7,200 EUR
NZ Jewellers
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 6€5,220 EUR
Retailer 2€6,037 EUR
Retailer 9€6,042 EUR
Retailer 3€6,310 EUR
Retailer 8€6,545 EUR
Retailer 7€6,646 EUR
Retailer 5€7,141 EUR
Retailer 10€7,552 EUR
Retailer 4€9,461 EUR
NZ Jewellers€10,947 EUR

43 data points across 10 retailers

11 retailers€5,220 EUR to €10,947 EUR

A
Cheapest Retailer
-
€5,220 EUR
$5,832 USD
Final sale: no returns
A
Retailer 2
-
€6,037 EUR
£5,311 GBP
View
A
Retailer 3
-
€6,042 EUR
$6,750 USD
View
A
Retailer 4
-
€6,310 EUR
£5,551 GBP
View
B+
Retailer 5
-
€6,545 EUR
$7,312 USD
View
B+
Retailer 6
-
€6,646 EUR
$7,425 USD
View
B+
Retailer 7
-
€6,690 EUR
$7,474 USD
View
B+
Retailer 8
-
€7,141 EUR
View
B+
Retailer 9
-
€7,552 EUR
$8,437 USD
View
B
Retailer 10
-
€9,461 EUR
£8,323 GBP
View
Most Expensive
B
NZ Jewellers
acbf649e-b122-46a1-b9ee-3c700530ff51 · Oct 27
€10,947 EUR
$12,230 USD
View
10 more retailers have this diamond
Prices start from €5,220 EURSave up to €5,727 EUR

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.50ct Radiant
€5,220 EUR